湿地松,从1930年引入我国,在南方各省生长良好,已成为我省川中、川南一带群众喜爱的树种.我校1981至1985年进行了湿地松地理种源试验.其目的除了为四川低山丘陵地区引种湿地松提出最适种源地区的信息资料,同时充实育种教学资料,为学生学习提供直观现场. Slash pine, which was introduced into our country from 1930, grew well in all the southern provinces and became a popular tree species of the masses in central Sichuan and south of Sichuan Province .It was used to test the provenance of Pinus elliottii from 1981 to 1985, Introduction of Pinus elliottii in the hilly areas to provide the most suitable source areas of information and information, and enrich breeding teaching materials for students to learn to provide a visual scene.